Patent US1987450A successfully refreshed from Google Patents.
Patent US3288275A successfully refreshed from Google Patents.
US3288275A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for cleaning conveyor belts
Assignee: Beazer East Inc
•
Filing: 1965-12-06
•
Granted: 1966-11-29
•
Expires: 1985-12-06
Abstract
No abstract record available.
Inventors
- 👤 Norman W Bunting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:23
CPC Classifications
B; B65; B65G; B65G45/00; B65G45/10; B65G45/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
APPARATUS FOR REMOVING PARTICULATE MATTER FROM A MATERIAL CONVEYOR BELT INCLUDING BOTH A CARRYING AND A RETURN FLIGHT, AND A DRIVEN HEAD PULLEY COMPRISING: (A) A SCRAPER BLADE PIVOTALLY MOUNTED ADJACENT THE HEAD PULLEY; (B) MEANS FOR PIVOTING SAID SCRAPER BLADE WHEREBY SAID BLADE OPERATIVELY ENGAGES THE RETURN FLIGHT OF SAID CONVEYOR BELT; (C) MEANS TO VIBRATE SAID SCRAPER BLADE IN A DIRECTION SUBSTANTIALLY NORMAL TO THE PATH OF TRAVEL OF SAID CONVEYOR BELT; AND (D) MEANS CONNECTED TO SAID VIBRATOR MEANS WHEREBY SAID VIBRATOR AND SAID SCRAPER BLADE ARE RECIPROCATED HORIZONTALLY IN A DIRECTION SUBSTANTIALLY NORMAL TO THE DIRECTION OF TRAVEL OF SAID RETURN FLIGHT.
Claim 2
Dependent Claim
106 words
APPARATUS FOR REMOVING PARTICULATE MATTER FROM A MATERIAL CONVEYOR BELT INCLUDING BOTH A CARRYING AND A RETURN FLIGHT, AND A DRIVEN HEAD PULLEY COMPRISING: (A) A SCRAPER BLADE PIVOTALLY MOUNTED ADJACENT THE HEAD PULLEY; (B) MEANS FOR PIVOTING SAID SCRAPER BLADE WHEREBY SAID BLADE OPERATIVELY ENGAGES THE RETURN FLIGHT OF SAID CONVEYOR BELT; (C) MEANS TO VIBRATE SAID SCRAPER BLADE IN A DIRECTION SUBSTANTIALLY NORMAL TO THE PATH OF TRAVEL OF SAID CONVEYOR BELT; AND (D) MEANS CONNECTED TO SAID VIBRATOR MEANS WHEREBY SAID VIBRATOR AND SAID SCRAPER BLADE ARE RECIPROCATED HORIZONTALLY IN A DIRECTION SUBSTANTIALLY NORMAL TO THE DIRECTION OF TRAVEL OF SAID RETURN FLIGHT.
References Cited (Backward Citations)
US2885069A
Cited
FR1385524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |